/* * The ManaPlus Client * Copyright (C) 2004-2009 The Mana World Development Team * Copyright (C) 2009-2010 The Mana Developers * Copyright (C) 2011-2013 The ManaPlus Developers * * This file is part of The ManaPlus Client. * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program. If not, see <http://www.gnu.org/licenses/>. */ #ifndef RESOURCES_IMAGEHELPER_H #define RESOURCES_IMAGEHELPER_H #include "localconsts.h" #include "render/renderers.h" #include "resources/resource.h" #include <SDL_video.h> class Dye; class Image; /** * Defines a class for loading and storing images. */ class ImageHelper { friend class CompoundSprite; friend class Image; public: A_DELETE_COPY(ImageHelper) virtual ~ImageHelper() { } /** * Loads an image from an SDL_RWops structure. * * @param rw The SDL_RWops to load the image from. * * @return <code>NULL</code> if an error occurred, a valid pointer * otherwise. */ Image *load(SDL_RWops *const rw) const A_WARN_UNUSED; #ifdef __GNUC__ virtual Image *load(SDL_RWops *const rw, Dye const &dye) const A_WARN_UNUSED = 0; virtual Image *load(SDL_Surface *const) const A_WARN_UNUSED = 0; virtual Image *createTextSurface(SDL_Surface *const tmpImage, const int width, const int height, float alpha) const A_WARN_UNUSED = 0; #else virtual Image *load(SDL_RWops *rw, Dye const &dye) const A_WARN_UNUSED { return nullptr; } virtual Image *load(SDL_Surface *) const A_WARN_UNUSED { return nullptr; } virtual Image *createTextSurface(SDL_Surface *const tmpImage, const float alpha) const A_WARN_UNUSED { return nullptr; } #endif static SDL_Surface *convertTo32Bit(SDL_Surface *const tmpImage) A_WARN_UNUSED; void dumpSurfaceFormat(const SDL_Surface *const image) const; virtual SDL_Surface *create32BitSurface(int width, int height) const A_WARN_UNUSED = 0; static void setEnableAlpha(const bool n) { mEnableAlpha = n; } static SDL_Surface *loadPng(SDL_RWops *const rw); static void setOpenGlMode(const RenderType useOpenGL) { mUseOpenGL = useOpenGL; } virtual RenderType useOpenGL() const A_WARN_UNUSED { return mUseOpenGL; } protected: ImageHelper() { } static bool mEnableAlpha; static RenderType mUseOpenGL; }; extern ImageHelper *imageHelper; extern ImageHelper *surfaceImageHelper; #endif // RESOURCES_IMAGEHELPER_H